BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 787 82.2%
2 China 76 7.9%
3 United States 64 6.7%
4 Germany 8 0.8%
5 Taiwan 6 0.6%
6 United Kingdom 6 0.6%
7 France 4 0.4%
8 Canada 3 0.3%
9 Australia 1 0.1%
10 Korea, Republic of 1 0.1%
11 Netherlands 1 0.1%
12 Russia 1 0.1%